
void main() async {
  print(RegExp('^www.baidu.com').hasMatch("https://www.baidu.com/wqeqweqe"));
  String text = "http://dddd/hello/world?name=dad&val=12a";
  print("mame=\$1123".replaceAll(RegExp('\\\$\\d'), "123"));
  print("app: ddd".split(": "));
  print(text.replaceAllMapped(RegExp("name=(dad)"), (match) {
    var replaceAll = "mame=\$1-123".replaceAll("\$1", match.group(1)!);

    print(replaceAll);
    return replaceAll;
  }));
  // print(Platform.version);
  // print(Platform.localHostname);
  // print(Platform.operatingSystem);
  // print(Platform.localeName);
  // print(Platform.script);
}
